tree: git://git.cmpxchg.org/linux-mmotm.git master head: 61f5f835b6f06fbc233481b5d3c0afd71ecf54e8 commit: a3611aea1c4fc34b4ef65dc2c7da20f89eab1aac [233/385] mm: srcu-ify shrinkers config: powerpc-allnoconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout a3611aea1c4fc34b4ef65dc2c7da20f89eab1aac # save the attached .config to linux build tree make.cross ARCH=powerpc All error/warnings (new ones prefixed by >>): mm/built-in.o: In function `shrink_slab.part.72.constprop.82': >> vmscan.c:(.text+0xdcd8): undefined reference to `__srcu_read_lock' >> vmscan.c:(.text+0xde9c): undefined reference to `__srcu_read_unlock' mm/built-in.o: In function `unregister_shrinker': >> (.text+0xdfd8): undefined reference to `synchronize_srcu' >> mm/built-in.o:(.data+0x1a8): undefined reference to `process_srcu' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation